[Catalpol content changes in Rehmannia glutinosa (Gaertn.) Libosch. under certain conditions]

Zhongguo Zhong Yao Za Zhi. 1997 Jul;22(7):408-9, 447.
[Article in Chinese]

Abstract

HPLC determination has shown that the content of catapol in Rehmannia glutinosa decreases markedly after being dried and processed. This change of content is related to acidic and alkaline conditions. But in boiling water or saccharide solution no marked changes have been observed.

Publication types

  • Comparative Study

MeSH terms

  • Chromatography, High Pressure Liquid
  • Drugs, Chinese Herbal / chemistry*
  • Glucosides / analysis*
  • Hot Temperature
  • Iridoid Glucosides
  • Iridoids*
  • Magnoliopsida / chemistry
  • Plants, Medicinal / chemistry*
  • Pyrans / analysis*
  • Technology, Pharmaceutical / methods

Substances

  • Drugs, Chinese Herbal
  • Glucosides
  • Iridoid Glucosides
  • Iridoids
  • Pyrans
  • catalpol